题目5单选题
要对stuInfo和score两个DataFrame的数据结构结果进行内连接,stuInfo和score内都有"学号"和"姓名"两列数据,连接条件是"学号"和"姓名",下列语句正确的是A. pd.merge(stuInfo,score,how='outer',on="学号","姓名")B. pd.merge(stuInfo,score,how='inner',on=["学号","姓名"])C. pd.merge([stuInfo,score],how='inner',on=["学号","姓名"])D. pd.merge([stuInfo,score],how='inner',on=["学号"],["姓名"])
题目9单选题
选择正确的参数组合填入表达式中pd.DataFrame(data, columns = columnList, index =indexList )A. data = [[2021001, "张奕成", "男"], [2021002, "林海之", "男"]]columnList = ["学号" ,"姓名" ,"性别"]index = [1, 2, 3]B. data = [[2021001, "张奕成", "男"], [2021002, "林海之", "男"]]columnList = ["学号" ,"姓名" ]index = [1, 2, 3]C. data = [[2021001, "张奕成", "男"], [2021002, "林海之", "男"]]columnList = ["学号" ,"姓名" ,"性别"]index = [1, 3]D. data = [[2021001, "张奕成", "男"], [2021002, "林海之", "男"]]columnList = ["学号" ,"姓名" ,"性别"]index = [1, 2,]